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Lesson 10NameRepeated AdditionEssential Question How can you find how many items there are inequal groups without counting one at a time?ModelModel andand DrawDrawWhen all groups have the same numberthey are equal groups.Ayita is putting 2 plants on each stepup to her porch. She has 4 steps.How many plants does she need?There are 4 equal groups. There are 2 ineach group. Add to find how many in all.228 plants.Ayita needs —228— — — — —ShareShare andand ShowShow. Make equalUse your MathBoard andgroups. Complete the addition sentence. Houghton Mifflin Harcourt Publishing CompanyNumber ofNumber inEqual Groups Each GroupHow many in all?1.43— — — — —2.25— — —3.34— — — —Math TalkHow can you use addition to find5 groups of 4?Getting Ready for Grade 2two hundred forty-sevenP247

OnOn YourYour OwnOwnUse your MathBoard and. Make equalgroups. Complete the addition sentence.Number Numberof Equal in EachGroups GroupHow many in all?4.23— — —5.35— — — —6.44— — — — —7.45— — — — —8.57— — — — — —ProblemProblem SolvingSolving— flowers10. There are 2 plants. Thereare 4 leaves on eachplant. How manyleaves are there?— leavesTAKE HOME ACTIVITY Use dry cereal or pasta to make 3 equal groups of 5.Ask your child to find the total number of items.P248two hundred forty-eight Houghton Mifflin Harcourt Publishing CompanySolve.9. There are 3 flower pots.There are 2 flowers in eachflower pot. How manyflowers are there?

Lesson 11NameUse Repeated Addition to Solve ProblemsEssential Question How can you use repeated addition tosolve problems?ModelModel andand DrawDrawDyanna will have 3 friends at her party.She wants to give each friend 4 balloons.How many balloons does Dyanna need?12balloonsTHINK 4 4 4 12ShareShare andand ShowShowDraw pictures to show the story.Write the addition sentence to solve.1. Ted plays with 2 friends. Hewants to give each friend 5cards. How many cards doesTed need?cards Houghton Mifflin Harcourt Publishing Company2. Aisha shops with 4 friends. She wantsto buy each friend 2 roses. How manyroses does Aisha need?rosesMath TalkWhat pattern can you use to find the answerto Exercise 2?Getting Ready for Grade 2two hundred forty-nineP249

OnOn YourYour OwnOwnDraw pictures to show the story.Write the addition sentence to solve.3. Lea plays with 3 friends. She wantsto give each friend 5 ribbons. Howmany ribbons does Lea need?ribbons4. Harry shops with 5 friends. Hewants to buy each friend 2 pens.How many pens does Harry need?pens5. Cam plays with 4 friends. She wantsto give each friend 4 stickers. Howmany stickers does Cam need?stickersCircle the way you can model the problem.Then solve.4 groups of 4 apples6. There are 4 friends. Each4 groups of 3 applesfriend has 3 apples. How3 groups of 4 applesmany apples are there?There are — apples.TAKE HOME ACTIVITY Use small items such as cereal pieces to act out eachproblem. Have your child check the answers on this page.P250two hundred fifty Houghton Mifflin Harcourt Publishing CompanyProblemProblem SolvingSolving

NameCheckpointConceptsConcepts andand SkillsSkillsFollow the rule to complete each table.1.2.Add 3Subtract 72468101213143.4.Add 615141312 Houghton Mifflin Harcourt Publishing Company10987Subtract 6Getting Ready for Grade 2two hundred fifty-oneP251

Use strategies to find the sums. Circle any strategy you use.5.43 46.make a 10doublescount on37 5make a 10doublescount onAdd. Write the sum.7.32 148.52 469.18 2110.43 35Number ofEqual GroupsNumber inEach GroupHow many in all?11.32– – – –12.24– – –13. Choose the way to model the problem.James has 4 letters. He puts 2 stamps on each letter.How many stamps does he use in all? 2 groups of 4 stamps 4 groups of 4 stamps 2 groups of 2 stamps 4 groups of 2 stampsP252two hundred fifty-two Houghton Mifflin Harcourt Publishing CompanyUse your MathBoard and. Make equal groups.Complete the addition sentence.

Lesson 12NameChoose a Nonstandard Unit toMeasure LengthEssential Question How can you decide which nonstandard unitto use to measure the length of an object?ModelModel andand DrawDrawUsetomeasure long things.Useto measureshort things.ShareShare andand ShowShowUse real objects. Circle the unit youwould use to measure. Then measure. Houghton Mifflin Harcourt Publishing CompanyObjectUnitMeasurement1.about —   2.about —   3.about —   4.about —   Math TalkwithGetting Ready for Grade 2Alex measured a book with. Did he use moreor. Then he measured? Explain.two hundred fifty-threeP253

OnOn YourYour OwnOwnUse real objects. Choose a unit to measurethe length. Circle it. Then measure.ObjectUnitMeasurement5.about —6.about —7.about —8.about —ProblemProblem SolvingSolvingto measure the stick.Sue measures the stick and gets the same measurement.Circle the unit that Sue uses.TAKE HOME ACTIVITY Have your child measure something around thehouse by using small objects such as paper clips and then by using largerobjects such as pencils. Discuss why the measurements differ.P254two hundred fifty-four Houghton Mifflin Harcourt Publishing Company9. Fred uses

Lesson 13NameUse a Non-Standard RulerEssential Question How can you use a non-standard measuringtool to find length?ModelModel andand DrawDrawAbout how long is the pencil?The end of the pencil and the end of themust line up. Counthow manyfrom one end of the pencil to the other.4about —ShareShare andand ShowShowAbout how long is the string?1.about — Houghton Mifflin Harcourt Publishing Company2.about —Math TalkIn Exercise 1, why must the end of the pencilline up?and the end of theGetting Ready for Grade 2two hundred fifty-fiveP255

OnOn YourYour OwnOwnAbout how long is the string?3.about —4.about —5.about —ProblemProblem SolvingSolvingpencil. She says it isabout 2long. Is she correct?Explain.TAKE HOME ACTIVITY Have your child use 20 paper clips to measuredifferent small objects in your house. Be sure the paper clips touch end to end.P256two hundred fifty-six Houghton Mifflin Harcourt Publishing Company6. Wendy measures her

Lesson 14NameCompare LengthsEssential Question How can you compare lengths of objects?ModelModel andand DrawDrawFirst, write 1, 2, and 3 to order thestrings from shortest to longest.Then measurewith .1—3—2—4about —8about —ShortestLongest6about —ShareShare andand ShowShow Houghton Mifflin Harcourt Publishing CompanyWrite 1, 2, and 3 to order the strings from shortest to longest.Then measure with . Write the lengths.1. —about ——about ——about —Math TalkHow can measuring with cubes tell you theorder of the strings?Getting Ready for Grade 2two hundred fifty-sevenP257

OnOn YourYour OwnOwn2. Write 1, 2, and 3 to order the strings from shortest tolongest. Then measure with . Write the lengths.—about ——about ——about —3. Write 1, 2, and 3 to order the strings from shortest tolongest. Then measure with . Write the lengths.—about ——about ——about —ProblemProblem SolvingSolving4. Kate has these ribbons. Kate gives Hannah the longest one.and write the length of Hannah’s ribbon.about —TAKE HOME ACTIVITY Give your child three strips of paper. Have yourchild cut them about 4 paper clips long, about 2 paper clips long, and about5 paper clips long. Then have your child order the paper strips from shortestto longest.P258two hundred fifty-eight Houghton Mifflin Harcourt Publishing CompanyMeasure with

Lesson 15NameTime to the Hour and Half HourEssential Question How do you tell time to the hour and half hour onan analog clock?ModelModel andand DrawDrawThe hour hand and the minute hand show the time.Write the time shown on the clock.11 12 121093487 6 511 12 121093487 6 54:004:30ShareShare andand ShowShowRead the clock. Write the time. Houghton Mifflin Harcourt Publishing Company1.2.3.11 12 121093487 6 511 12 121093487 6 511 12 121093487 6 5Math TalkWhy does the hour hand point halfwaybetween 5 and 6 at half past 5:00?Getting Ready for Grade 2two hundred fifty-nineP259

OnOn YourYour OwnOwnRead the clock. Write the time.4.5.11 12 121093487 6 57.6.11 12 121093487 6 511 12 121093487 6 58.9.11 12 121093487 6 511 12 121093487 6 511 12 121093487 6 5Draw and write to show the time.10. Liam has soccer practice athalf past 10:00.11 12 121093487 6 5TAKE HOME ACTIVITY Say a time, such as half past 1:00 or 7:00. Ask yourchild where the clock hands will point at that time.P260two hundred sixty Houghton Mifflin Harcourt Publishing CompanyProblemProblem SolvingSolving

NameCheckpointConceptsConcepts andand SkillsSkillsUse real objects. Choose a unit to measure the length.Then measure.ObjectUnitMeasurement1.about –2.about –3.about –How long is the yarn? Use the star ruler to measure. Houghton Mifflin Harcourt Publishing Company4.— stars long5.— stars longGetting Ready for Grade 2two hundred sixty-oneP261

Write 1, 2, and 3 to measure thestrings from shortest to longest.Then measure with cubes. Write the lengths.6.—— cubes long—— cubes long—7.— cubes long—— cubes long—— cubes long—— cubes long8. Read the clock. Choose the correct time. 8:00 8:30 9:00 9:30P262two hundred sixty-two Houghton Mifflin Harcourt Publishing Company11 12 121093487 6 5

Lesson 16NameUse a Picture GraphEssential Question How do you read a picture graph?ModelModel andand DrawDrawOur Favorite Hot Dog Toppingsmustardketchup3Eachstands for 1 child.— children chose.ketchup .Most children chose2— fewer children chosethan .ShareShare andand ShowShowOur Sock Colorsblackwhiteblue Houghton Mifflin Harcourt Publishing CompanyEachstands for 1 child.Use the picture graph to answer the questions.1. How many children are wearing?—2. What color of socks are most of the children wearing? —3. How many more children wearthan?—Math TalkGetting Ready for Grade 2How did you find the answer to Exercise 3?two hundred sixty-threeP263

OnOn YourYour OwnOwnOur WeatherrainysunnycloudyEachstands for 1 day.Use the picture graph to answer each question.4. How many days in all areshown on the graph?5. What was the weather formost days? Circle.— days6. How many fewer days werethan?— days7. How manyanddays were there?— days8. Today is sunny. Robinputs one moreonthe graph. How manydays are there now?TAKE HOME ACTIVITY Help your child make a picture graph to show theeye color of 10 friends and family members.P264two hundred sixty-four— days Houghton Mifflin Harcourt Publishing CompanyProblemProblem SolvingSolving

Lesson 17NameUse a Bar GraphEssential Question How do you read a bar graph?ModelModel andand DrawDrawFish in the Class AquariumFishgoldfishguppyangel fish0123456Number of FishTo find how many, read the number below the end of the bar.6fish are.ShareShare andand ShowShowUse the bar graph to answer the questions.1. How many fish are in theaquarium?2. How many fish in theaquarium are? Houghton Mifflin Harcourt Publishing Company— fish3. How many fewer fish arethan—4. Are more of the fishor?fish?— fishMath TalkGetting Ready for Grade 2How did you find the answer for Exercise 1?two hundred sixty-fiveP265

Use the bar graph to answer thequestions.5. How many children chose?— children6. How many children choseNumber of ChildrenOnOn YourYour OwnOwn?— children7. Which vegetable did most5Our FavoriteVegetables43210carrots potatoes cornKinds of Vegetableschildren choose? Circle.8. Which vegetables were chosenthe same number of times? Circle.Use the bar graph to solve.9. Brad and Glen both like cornthe best. If the boys add thisto the graph, how many childrenwill have chosen corn?— childrenTAKE HOME ACTIVITY Ask your child to decide whether they prefer carrots orpotatoes. Then have your child color to add their choice to the bar graph on this page.P266two hundred sixty-six Houghton Mifflin Harcourt Publishing CompanyProblemProblem SolvingSolving

Lesson 18NameTake a SurveyEssential Question How can you take a survey?ModelModel andand DrawDrawYou can take a survey to get information.Jane took a survey of her friends’ favoritewild animals. The tally chart shows the results.REMEMBEREach tally markstands for onefriend’s choice.Favorite Wild AnimalAnimalTallyelephantmonkeytigerShareShare andand ShowShow1. Take a survey.Our Favorite Wild AnimalAsk 10 classmates which wild animalis their favorite. Use tally marks toshow their answers.AnimalTallyelephantmonkeytiger2. How many children did not choose tiger? Houghton Mifflin Harcourt Publishing Companychildren3. Did more children choose elephant or tiger?4. The most children choseas their favorite.Math TalkDescribe a different survey that you couldtake. What would the choices be?Getting Ready for Grade 2two hundred sixty-sevenP267

OnOn YourYour OwnOwnOur Favorite Color5. Take a survey. Ask 10 classmateswhich color is their favorite. Use tallymarks to show their answers.ColorTallyredbluegreen6. Which color was chosen by the fewest classmates?7. Which color did the most classmates choose?8. Did more classmates choose red or green?classmates chose a color that was not red.9.10. Did fewer children choose blue or green?ProblemProblem SolvingSolvingwhich snack is their favorite. Hemakes 1 tally mark for each child’sanswer. How many moreclassmates does he need to ask?Our Favorite SnackSnackpretzelsapplespopcorn— more classmatesTAKE HOME ACTIVITY Have your child survey family members about theirfavorite sport and make a tally chart to show the results.P268two hundred sixty-eightTally Houghton Mifflin Harcourt Publishing Company11. Jeff wants to ask 10 classmates

Lesson 19NameIdentify ShapesEssential Question How can attributes help you identify a shape?ModelModel andand DrawDrawvertexsideThe number of sides and verticeshelp you identify a shape.trianglesquare3 sides, 3 verticesrectangletrapezoid4 sides, 4 verticeshexagon6 sides, 6 verticesShareShare andand ShowShowCircle to answer the question. Write to name the shape.1. Which shape has 4 sides?2. Which shape has 3 vertices? Houghton Mifflin Harcourt Publishing Company3. Which shape has 6 sides?Math TalkGetting Ready for Grade 24. Which shape has 4 vertices?How are a square and a rectangle alike?two hundred sixty-nineP269

OnOn YourYour OwnOwnCircle to answer the question. Write to name the shape.5. Which shape has 3 sides?6. Which shape has 4 vertices?7. Which shape has 4 sides?8. Which shape has 6 vertices?ProblemProblem SolvingSolving9. Jason, Mat, and Carrie each draw a shape with 4 sides.The shapes look different and have different names.TAKE HOME ACTIVITY Have your child look around the house to findsomething that looks like a rectangle. Then have your child point to therectangle and count the vertices. Repeat with the sides.P270two hundred seventy Houghton Mifflin Harcourt Publishing CompanyDraw 3 shapes the children might have drawn. Write toname each shape.

Lesson 20NameEqual SharesEssential Question How can you name two or fourequal shares?ModelModel andand DrawDrawfourth fourthhalfhalffourth fourth22—44 fourths—— equal shares— equal shareshalvesShareShare andand ShowShow Houghton Mifflin Harcourt Publishing CompanyCircle the shape that shows equal shares. Write to namethe equal shares.1.2.3.4.Math TalkAre all equal shares the same size andshape? Explain.Getting Ready for Grade 2two hundred seventy-oneP271

OnOn YourYour OwnOwnCircle the shape that shows equal shares. Write to namethe equal shares.5.6.7.8.ProblemProblem SolvingSolving9. Riley wants to share his cracker with a friend. Draw to showTAKE HOME ACTIVITY Ask your child to help you cut a piece of toast intofourths.P272two hundred seventy-two Houghton Mifflin Harcourt Publishing Companytwo different ways Riley can cut the cracker into equal shares.

NameCheckpointConceptsConcepts andand SkillsSkillsUse the picture graph to answer Exercises 1 and 2.Our Favorite Fruitapplebananao rangeEachstands for 1 child.1. How many children choose an orange? —2. Which fruit was chosen most often?Use the bar graph to answer Exercises 3 and 4.Kind of Pet Houghton Mifflin Harcourt Publishing CompanyOur Favorite Petsdogcatbird0123456Number of Children3. Which pet did most children choose?4. How many more children chose a cat than a bird?Getting Ready for Grade 2two hundred seventy-threeP273

5. Take a survey. Ask 8 classmates whichsport is their favorite.Use tally marksto show their answers.Our Favorite SportSportTallybaseballfootballsoccer6. Did more children choose baseball or soccer?Circle to answer the question. Then write the shape name.7. Which shape has 4 vertices? P274two hundred seventy-four Houghton Mifflin Harcourt Publishing Company8. Which shape shows fourths?

Lesson 1NameAlgebra Ways to Expand NumbersWrite how many tens and ones.Write the number in two different ways.1.2.8850 8— —58—— tens — ones— tens — ones— ——ProblemProblem SolvingSolving3. Draw the same number using only tens. Houghton Mifflin Harcourt Publishing CompanyWrite how many tens and ones.Write the number in two different ways.— tens — ones— ——Getting Ready for Grade 2— tens — ones— ——oneGRP1

Lesson 2NameIdentify Place Value.Use your MathBoard andDraw to complete the quick picture.Write how many hundreds, tens, and ones.1.hundreds tens ones1632.1—6—3—hundreds tens ones1283.———hundreds tens ones154——— Houghton Mifflin Harcourt Publishing CompanyProblemProblem SolvingSolvingCircle your answer.4. I have 1 hundred, 2 tens,and 5 ones. What numberam I?25100125Getting Ready for Grade 25. I have 0 ones, 5 tens, and1 hundred. What numberam I?103105150twoGRP2

Lesson 3NameUse Place Value to Compare NumbersWrite the numbers. Compare. Write , , or .1.2.176172 C ——Compare the numbers using ., ,, or 5.C162133 C 137119 C 125153 C 153C148129 C 126173 C 173191 C 178—3. 1624. 1545.6.7.8.9.12.10.13.11.14.C195 C 199141 C 141187 C 192144 C 153—ProblemProblem SolvingSolvingSolve. Houghton Mifflin Harcourt Publishing Company15. Josh is thinking of a numberbetween 100 and 199. Ithas 1 hundred, 4 tens, and9 ones. Pia is thinking of anumber between 100 and199. It has 1 hundred, 8 tens,and 2 ones. Who is thinkingof the greater number?Draw or write to explain.is thinking of a greater number.Getting Ready for Grade 2threeGRP3

Lesson 4NameAlgebra Addition Function TablesFollow a rule to complete the table.1.2.Add 46784.Add 73.Add 66783455.5689Add 96.Add 3Add 556782468ProblemProblem SolvingSolvingSolve. Complete the table. Houghton Mifflin Harcourt Publishing Company7. Kirk is 9 years old.Sasha is 7 years old.Pam is 5 years old.How old will each childbe in 5 years?Getting Ready for Grade 2KirkSashaPam975fourGRP4

Lesson 5NameAlgebra Subtraction Function TablesFollow a rule to complete the table.1.Subtract 52.6784.Subtract 811131516Subtract 63.91011910115.Subtract 9Subtract 46.Subtract 7912131511131517ProblemProblem SolvingSolving Houghton Mifflin Harcourt Publishing Co

The 1 in 125 means 1 hundred. The 2 in 125 means 2 tens. The 5 in 125 means 5 ones. 125 hundreds onestens Draw for Draw for Draw for 1 — —2 5 — THINK 106 has no tens. Use your MathBoard and to show the number. Draw to complete the quick picture. Write how many hundreds, tens, and ones. 1. 106 hundreds onestens — — —